NIUNIU PREMIUM CERAMIC MATERIAL: These nail art tools are made of high quality ceramic material, which is durable, sharp and durable. With excellent heat dissipation, the drill will not get as hot as metal parts during prolonged use. Ceramic can be cleaned andsterilized and will never rust. Less dust, friction and heat are generated during use. PERFECT DRILLS: There are 7 different nail drills for most nail drills that use a 3/32 inch drill for extended use. They can be used to polish the surface of nailsand even penetrate narrow areas such as sidewalls and cuticles. The drill brush drill helps to clean and brighten the nail surface and drill bit. MULTI-FUNCTIONAL: Ceramic drills are ideal nail tools for nail drills and perform a variety of professionaltasks such as engraving, engraving, grinding, milling, sharpening, grinding, polishing, drilling, and more. Can be used for manicures and artificial nails and is a great tool for any professional manicurist or beginner. Nail Brush Bits can easilyclean dust from drills or nails, protect the drills after each use, and keep your and your client's nails healthy. Nail drills are corrosion resistant and won't clog your nails. Nail drill bits are corrosion resistant and won't clog nails Quantity shipped: 1 set Package Contents: Only the above package contents, excluding other products. Size: 2.35mm Shank Diameter (Reminder: The size is measured by hand, please allow 1-2 cm measurement error) Color: as pictured (Due to different monitors and lighting effects, the actual color of the product may be slightly different from the picture color.)